1491401

Information

• Patent Grant
• 1491401

• References
• Source

• Patent Number

  1,491,401

• Date Filed

  Not available

• Date Issued

  Tuesday, April 22, 1924
  100 years ago

• CPC

  • F23K3/08 - for furnaces having movable grate bars

• US Classifications

  • 198 - Conveyors: power-driven
  • 110 - Furnaces
  • 414 - Material or article handling